Across
- 1. fetchers a convergent boundary continental,continental
- 4. the crust is broken into pieces
- 7. bends downwards
- 9. a break in earths crust
- 11. tectonics states that earth's plates are in slow constant motion
- 12. boundary plates collide
- 16. ocean floor sinks beneath a deep ocean trench
- 18. current the flow that transfers heat within a fluid
- 20. German scientist
Down
- 2. boundary plates divide
- 3. where seafloor spreading begins
- 5. a super continent
- 6. adds new material to the ocean floor
- 8. drift the continents are in slow constant motion
- 10. part if the earth between the earth and crust
- 13. is the measure of how much mass is in a given volume
- 14. boundary plates slide past each other
- 15. pieces of earth diverge on land
- 17. a region with particular prevailing weather conditions
- 19. helped scientist explore the ocean floor